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Answers posted by sharmaaparna1
Questions
7104
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Insuline conatins 3.4% S.Find the minimum molar mass of insuline.Molecular
answered
Mar 27, 2020
https://clay6.com/qa/15248/insulin-contains-3-4-sulphur-then-the-minimum-molecular-mass-of-the-ins...
0
votes
Picture question - class 12 - chemistry
answered
Mar 27, 2020
as pKa values increase, Ka value decrease and the acid becomes less strong. Hence smaller the pKa va...
0
votes
Picture question - class 12 - chemistry
answered
Mar 27, 2020
Acetate ion has resonance hence acetate ion is the weakest base
0
votes
Which one of the following statements is false ?
answered
Mar 25, 2020
Two sucrose solutions of same molality prepared in different solvents will have the same freezing po...
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votes
Oxidation number and valency of oxygen in OF2
answered
Mar 20, 2020
Oxidation no of F is -1 So O-2(-1)=0 O-2=0 O=+2
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votes
Picture question - chemistry
answered
Mar 20, 2020
https://clay6.com/qa/31626/the-heat-of-neutralization-is-highest-in
0
votes
Picture question - class 11 - chemistry
answered
Mar 20, 2020
More the double bond charcter, more will be the rotational barrier energy.
0
votes
Isobutane chlorination
answered
Mar 20, 2020
https://clay6.com/qa/37440/in-the-chlorination-of-isobutane-which-product-will-be-formed-in-excess...
0
votes
Product formed when HBr react with propene in presence of peroxide
answered
Mar 20, 2020
https://clay6.com/qa/33183/reaction-of-hbr-with-propene-in-the-presence-of-peroxide-gives
0
votes
Picture question - chemistry
answered
Mar 20, 2020
Minerals contain impurities like Sand , stones , sulphur , etc... These impurities are called Gangue...
0
votes
the vapour pressure of pure it having molar mass 74 gram mole at 293 kelvin
answered
Mar 20, 2020
https://clay6.com/qa/44526/the-vapour-pressure-of-pure-ether-molar-mass-74-g-mol-at-293-k-is-588-m...
0
votes
water softening by clark's process uses
answered
Mar 20, 2020
Lime softening, also known as Clark's process, is a type of water treatment used for water softening...
0
votes
A student combines 154 grams of carbon tetrachloride and an unknown quantit
answered
Mar 20, 2020
Since mass is conserved, Let x represents the unknown quantity of bromine: Hence 154g + x = 243g ...
0
votes
Example of disproportionation of oxidation state
answered
Mar 20, 2020
https://clay6.com/qa/72768/what-is-meant-by-disproportionation-of-an-oxidation-state-give-an-examp...
0
votes
Picture question - chemistry
answered
Mar 20, 2020
https://clay6.com/qa/89437/the-ratio-of-the-diffusion-of-a-given-element-to-that-of-helium-is-1-4-...
0
votes
Picture question - class 12 - chemistry
answered
Mar 20, 2020
https://clay6.com/qa/94064/what-happens-when-ch2-ch2-react-with-dil-h2so4-
0
votes
How does the enthalpy change during the formation of a non ideal solution t
answered
Mar 20, 2020
https://clay6.com/qa/52061/what-is-meant-by-positive-and-negative-deviations-from-raoult-s-law-and...
0
votes
20ml of 10N HCl are diluted with distilled water to form one litre of the s
answered
Mar 20, 2020
https://clay6.com/qa/102167/20-ml-of-10-hcl-is-diluted-with-distilled-water-to-form-one-litre-of-s...
0
votes
Picture question - class 12 - chemistry
answered
Mar 20, 2020
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Match the following (a)Pure nitrogen (i) Chlorine (b) Haber process (ii) Sulphuric acid (c) Contact process (iii) Ammonia (d) Deacon's process (iv) Sodium azide or Barium azid Which of the following is the correct option ? (a) (b) (c) (d) (1) (i) (ii) (iii) (iv) (2) (ii) (iv) (i) (iii) (3) (iii) (iv) (ii) (i) (4) (iv) (iii) (ii) (i)
answered
Mar 19, 2020
( D ) (4) (iv) (iii) (ii) (i)
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votes
Match the Xenon compounds in Coloumn - I with its structure in Column - II and assigning the correct code:
answered
Mar 19, 2020
Correct option B
0
votes
Match the metal ions given in Column I and the spin magnetic moments of the ions given in Column II and assign the correct code :
answered
Mar 17, 2020
correct option D
0
votes
Picture question - chemistry
answered
Mar 12, 2020
https://clay6.com/qa/78484/the-molal-elevation-constant-of-water-is-0-51-the-boiling-point-of-0-1-...
0
votes
Picture question - chemistry
answered
Mar 12, 2020
https://clay6.com/qa/78484/the-molal-elevation-constant-of-water-is-0-51-the-boiling-point-of-0-1-...
0
votes
Factors for roasting sulphide ore into oxide
answered
Mar 12, 2020
Roasting is a process of heating of sulphide ore to a high temperature in presence of air. It is a s...
0
votes
Define radical state Avogadro hypothesis. Deduce molecular weigh =2×vapor
answered
Mar 12, 2020
Avogadro's hypothesis states that two samples of gas of equal volume, at the same temperature and pr...
0
votes
Picture question - class 12 - chemistry
answered
Mar 12, 2020
https://clay6.com/qa/52160/when-a-sugar-solution-is-slowly-frozen-the-first-solid-which-separates-...
0
votes
Picture question - class 12 - chemistry
answered
Mar 12, 2020
$CH_3CHO$ reacts with NaOH and $I_2$ to give yellow crystals of iodoform while $C_6H_5CH_2CHO$ does ...
0
votes
Please explain dispersed phase and dispersing medium in simple language
answered
Mar 12, 2020
DISPERSED PHASE The component which is less in amount is known as dispersed phase. DISPERSION MEDI...
0
votes
The correct statement regarding electrophile is :
answered
Mar 11, 2020
Electrophile can be either neutral or positively charged species and can form a bond by accepting a ...
0
votes
answered
Mar 11, 2020
The IUPAC name is 3-keto-2-methylhex-4-enal
0
votes
Ammonia reacts with formaldehyde
answered
Mar 9, 2020
Formaldehyde react with ammonia to produce hexamethylenetetraammine and water. $6HCHO + 4NH_3  ...
0
votes
a solution prepared by dissolving 8.95 g og gene in 35ml of waterh has an
answered
Mar 9, 2020
https://clay6.com/qa/80305/a-solution-prepared-by-dissolving-8-95mg-has-a-gene-fragment-in-35ml-of...
0
votes
Which of the following of 0.1 molal aqueous solution will have lower freezi
answered
Mar 9, 2020
https://clay6.com/qa/50703/which-of-the-following-0-1m-aqueous-solutions-will-have-the-lowest-free...
0
votes
Picture question - class 9 - chemistry
answered
Mar 9, 2020
They are propylamine , Isopropylamine , N-methylethylamine , trimethylamine.
0
votes
Volume of O2 required at STP for the complete combustion of 5.8 kg of butan
answered
Mar 9, 2020
https://clay6.com/qa/15616/amount-of-oxygen-required-for-combustion-of-1kg-of-a-mixture-of-butane-...
0
votes
Picture question - class 12 - chemistry
answered
Mar 9, 2020
https://clay6.com/qa/23314/a-piece-of-al-weighing-2-7g-is-titrated-with-75-ml-of-h-2so-4-specific-...
0
votes
Which of the following statements is false ?
answered
Mar 9, 2020
( B ) $Ca^{2+}$ ions are not important in maintaining the regular beating of heart
0
votes
Match item of Column I with the items of Column II and assign the correct code :
answered
Mar 6, 2020
Correct Answer is A
0
votes
The coagulation of 100ml of a colloidal solution of gold in completely prev
answered
Mar 4, 2020
https://clay6.com/qa/32550/the-coagulation-of-100-ml-of-a-colloidal-solution-of-gold-is-completely...
0
votes
The pOH solution containing 9.4.Calculate the [H+] ions concentration
answered
Mar 4, 2020
pOH = 14−9.4 = 4.6 pOH=−log([OH−]) log([OH−])=−pOH 10 log([OH−])=$10^{−pOH}$ $[OH^−]=10^{−pOH}$
0
votes
Mass of one atom of oxygen
answered
Feb 21, 2020
1 mole of oxygen= 16 g $\Rightarrow 6.022\times 10^{23}$ atoms of oxygen=16 g 1 atom of oxygen...
0
votes
Picture question - class 11 - chemistry
answered
Feb 21, 2020
Please provide the question No. to be solved... Refer: Given Molar Mass = 180 Empirical Formula =...
0
votes
Picture question - class 12 - chemistry
answered
Feb 21, 2020
The atoms Z are in CCP arrangement while the atoms X occupy all the tetrahedral sites. The number of...
0
votes
(chatquestion)...(d)(i) Find out oxidation state of Fe in K,[Fe(CN),J. intion of
answered
Feb 20, 2020
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0
votes
(chatquestion)...(ii) 0-004(M) Na,SO, solution is isotonic with 0-01(M) glucose solution. Then find out dissociation constant of Na,SO, on that 1+2 solution.
answered
Feb 20, 2020
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0
votes
find change in entropy of 1 gm of ice when converted completely into steam
answered
Feb 20, 2020
https://clay6.com/qa/31976/
0
votes
(chatquestion)...78. The correct statement for the following compounds is Но НО НО ОН ОН ОН II III (a) all the compounds are chiral (b) only I and II are chiral (c) I and III are diastereomers (d) only I and III are chiral O IlK
answered
Feb 20, 2020
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0
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(chatquestion)...541 MODYNAMICS On adding, C(s) + 2H2(g) + AH =- 239 kJ O2(g) CH3OH(); .15 Calculate the enthalpy change for the process: CCI, (8) C(g) + 4CI(g) Calculate bond enthalpy by C-Cl in CCI4(8) AHvap CCl, =30.5 kJ mol- Given: A,H° CCI4 =-135.5 kJ mol¯ A,H°(C) =715 kJ mol- A„H° (Cl½) = 242 kJ mol- (Enthalpy of atomisation) (Enthalpy of atomisation) ution: Given: i) CCL.(D AH°-+ 30 5 kL mol-! +CCL.(e)
answered
Feb 20, 2020
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0
votes
(chatquestion)...(U) (c) 10 m (d) 1.25 m 100. What will be the molality of chloroform in the water sample which contains 15 ppm chloroform by mass? (a) 1.25 × 10ª m (c) 1.5 x 10-³ m .5 x 10 m (b) (d) 1.25 x 10
answered
Feb 20, 2020
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