Recent questions tagged other

(chatquestion)...24. Consider the given reaction CH3 CH, -C-CH, - OH conc. H,SO, Alkene (major) CH3 Identify alkene (2) CH, - CH = CH - CH (4) CH3- CH = C-CH, (1) CH, - CH, - CH = CH, %D %3D (3) (CH),C = C(CH,)2...(Can anyone explain me this with mechanism??)

asked Apr 3, 2020 by balaji.thirumalai

1 answer

(chatquestion)...- Each sarcomere is formed by 2 'A' bands and 2 T’ bands 2) 2 'A' bands and 1 T' band 3) 1 A' band and 2 T' bands 1 'A' band and 2 half T' bands...(Which is the answer?)

asked Apr 3, 2020 by balaji.thirumalai

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(chatquestion)...2The reaction quotient (Q) for the reaction [2003] [NH; [N2][H,° N,(g) + 3H,(g) =2NH,(g) is given by Q = The reaction will proceed towards right side if...(The ans for this qn)

asked Apr 3, 2020 by balaji.thirumalai

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(chatquestion)...The other solid phases under normal conditions because Ul anguit strain in the P molecule where the angles are only 60 It readily catches fire in air to give dense white fumes of P,010- P+50, P.010 -> 62. It consists of discrete tetrahedral P, molecule as shown in Fig. 7.2 Red phosphorus is obtained by heating white phosphorus at 5731 in an inert atmosphere for several days. When red phosphorus is heates under high pressure, a series of phases of black phosphorus is formec Red phosphorus possesses iron grey lustre. It is odourless, nor poisonous and insoluble in water as well as in carbon disulphide Chemically, red phosphorus is much less reactive than whit phosphorus. It does not glow in the dark. orus 3K Red 803K 175 The p-Block Elemer...(A series of phases of black phosphorus MATLAB??)

asked Apr 3, 2020 by balaji.thirumalai

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(chatquestion)...A cylindrical solid of radius 5 cm and length 12 cm floats lengthwise in water to a depth of 2.5 cm Calculate the area of the curved surface of the solid in contact with water, correct to 4 significant figures.

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...40. A particle at end of a spring executes simple harmonic motion with a period t,, while the corresponding period of another spring is t,. If two springs are connected in series then time period is T, then ?2 (1) T = t, + t , (2) T² = t; +t? %3D %3D (3) T-1=t;" +t;' (4) T² =t;? +t? %3D %3D

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...9. The solution set of the equation |x2 + 6x + 7| = |x2 + 4x +4| + 12x + 3| is 3. (1) {-2} 3. (3) {2}U (4) none of these

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...6. The set of values of x satisfying simultaneously the V(x-8)(2-x) X. inequalities 20 and 10 logo.3 (lo9g, 5 -1 2x-3 -31 > 0 is a unit set (2) an empty set 3 an infinite set (4) a set consisting of exactly two elements

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...An Rh* can be represented as DD or Dd and Rh as dd. In the following pedigree table, solid symbols represent cases of erythroblastosis foetals. Give the Rh genotypes of each member of the family.

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...For Inorganic benzene (B3N;H) which one is 46. wrong :- (1) Only 6 (sp - sp?) o bonds and 3 pn-pn coordinate bonds (2) 12 (sp - sp²) o bonds and 3 pn-pn coordinate bonds (3) 6 (sp- sp) o bonds and 6 (sp-s) o bonds (4) 6 (sp- sp) o bonds and 6 (sp-s) o bonds and 3 pn-pn coordinate bonds

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...The major product (Q) obtained in the following sequence reaction is: LIAIH, (excess) CH. (i) Na (ii) CH,I (excess) (Q) ОН -CH, CH

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Oscillations See figure. +T Time period T = 4T, %3D +mg See figure. T = 2n, = T, 4k ) Combination of springs T = 2n Keff 00000 00000...(Can anyone explain me these two cases please.....)

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Given, (i) cu + 2 E° = 0.337 V - Cu (ii) cu- + e E° = 0.153 V %3D Electrode potential, E° for the reaction, Cu + e → Cu, will be (in V) A 0.52 B 0.90 C 0.30 D 0.38

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Bayes' Theorem 16. A crime is committed by one of two suspects, A and B. Initially, there is equal evidence against both of them. In further investigation at the crime scene, it is found that the guilty party had a blood type found in 20% of the population. If the suspect A does match this blood type, whereas the blood type of suspect B is unknown, then the probability that A is the guilty party is (a) 3/5 23. (b) 5/6 (c) 1/3 (d) 2/3

asked Apr 2, 2020 by balaji.thirumalai

0 answers

(chatquestion)...According to the MO theory, which of the following lists ranks the nitrogen species in terms of increasing bond order? A N; < N2<N <N?- B N <N; < N2 C N2<N; <N; D N; <N < N2

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...For the reaction, A + B products, it is observed that (1) On doubling the initial concentration of A only, the rate of reaction is also doubled and (2) On doubling the initial concentrations of both A and B, there is a change by a factor of 8 in the rate of the reaction. The rate of this reaction is, given by rate k [A]<[B] rate= k [A][B]? k [AJ?IB}? rate %3D rate= k [A][B]

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...com/test_collection/564858/Attempted/quiz/581749 You scored-1 of 4 A point source S is placed at a distance of 21 cm from a convex mirror of focal length 12 cm. What is the distance (in cm) of a converging lens of focal length 10 cm from mirror, placed between the source and the mirror to get the final image on the source itself Q21. Options: 12 cm X10 cm 6 cm 5 cm Solution...(Photo from பாரத் பாரதி)

asked Apr 2, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Problem 5. Prove that 13 V3< |1+ z| + |1 – z + z²| < for all compleI numbers z such that |z| = 1.

asked Apr 2, 2020 by balaji.thirumalai

0 answers