Email

Chat with tutors

Login

Ask Questions, Get Answers

Menu X

home ask tuition questions practice papers mobile tutors pricing

X

Recent questions tagged class11

The kind of delocalization involving sigma bond orbitals is called,

asked Mar 4, 2014 by meena.p

1 answer

Compounds containing which of the following functional groups can exhibit geometrical isomerism

asked Mar 4, 2014 by meena.p

1 answer

Polarization of electrons in acrolein may be written,

asked Mar 4, 2014 by meena.p

1 answer

Which of the following compounds exhibits stereo isomerism

asked Mar 4, 2014 by meena.p

1 answer

How many structural (including stereoisomers ) isomers could be obtained by replacing one hydrogen of propene with chlorine ?

asked Mar 4, 2014 by meena.p

1 answer

How many chiral carbon atoms are present in $2,3,4$ trichloropentane ?

asked Mar 4, 2014 by meena.p

1 answer

The number of optical isomers formed hydrogenation of the compound, $(CH_3)_2C = CHCH_3$ are :

asked Mar 4, 2014 by meena.p

1 answer

Insert $2$ numbers between $3$ and $81$ so that the resulting sequence is a G.P. Find the two numbers.

asked Mar 3, 2014 by rvidyagovindarajan_1

1 answer

Insert $2$ numbers between $3$ and $81$ so that the resulting sequence is a G.P. Find the two numbers.

asked Mar 3, 2014 by rvidyagovindarajan_1

1 answer

If $a,b,c,d$ are in G.P, then show that $(a^2+b^2+c^2)(b^2+c^2+d^2)=(ab+bc+cd)^2$

asked Mar 3, 2014 by rvidyagovindarajan_1

1 answer

The structure of $H_2C = C = CH_2$ is /has

asked Mar 3, 2014 by meena.p

1 answer

Absolute alcohol is prepared by

asked Mar 3, 2014 by meena.p

1 answer

An organic molecule necessarily shows optical activity if it

asked Mar 3, 2014 by meena.p

1 answer

Which of the following compounds will exhibit geometrical isomerism ?

asked Mar 3, 2014 by meena.p

1 answer

One among the following pairs of compounds is not isomers:

asked Mar 3, 2014 by meena.p

1 answer

Refer the below diagram :

asked Mar 3, 2014 by meena.p

1 answer

The formation of cyanohydrin from a ketone is an example of

asked Mar 3, 2014 by meena.p

2 answers

Optical isomerism arises from the presence of

asked Mar 3, 2014 by meena.p

2 answers

How many optical isomers are possible for the compound abdc - cabd?

asked Mar 3, 2014 by meena.p

1 answer

Which of the following correctly represents the $+I$ effect of the substituents :

asked Mar 3, 2014 by meena.p

1 answer

The joule - Thomson coefficient for a gas is zero at

asked Mar 3, 2014 by sharmaaparna1

1 answer

What is the pressure of 2 mole of ammonia at $27^{\large\circ}C$ when its volume is 5 litre according to Van der Waal's equation? (a = 4.17 b = 0.03711)

asked Mar 3, 2014 by sharmaaparna1

1 answer

Inductive effect involves

asked Mar 3, 2014 by meena.p

1 answer

A gas obeys the equation of state P(V-b) = RT (The parameter b is a constant). The slope for an isochore will be

asked Mar 3, 2014 by sharmaaparna1

1 answer

At low pressure Van der Waal's equation is reduced to $[P+\large\frac{a}{V^2}]V = RT$ The compressibility factor can be given as

asked Mar 3, 2014 by sharmaaparna1

1 answer

At high temperature and low pressure , the Van der Waal's equation is reduced to

asked Mar 3, 2014 by sharmaaparna1

1 answer

At low pressure , the Van der Waal's equation is written as

asked Mar 3, 2014 by sharmaaparna1

1 answer

Under critical conditions , the compressibility factor for a gas is

asked Mar 3, 2014 by sharmaaparna1

1 answer

If $U_{rms} is\; 30 R^{\large\frac{1}{2}}\; at \;27^{\large\circ}$ then the molar mass of the gas in kg is

asked Mar 3, 2014 by sharmaaparna1

1 answer

In the reaction : $ CH_3CHO +HCN \longrightarrow CH_3CH(OH)CN$ a chiral centre is produced . This product would be :

asked Mar 3, 2014 by meena.p

1 answer

Which one of the following does not have $SP^2$ hybridized carbon ?

asked Mar 3, 2014 by meena.p

1 answer

Which of the following is most stable

asked Mar 3, 2014 by meena.p

1 answer

A compound with empirical formula $CH_2O$ has a vapour density of 30. Its molecular formula is

asked Mar 3, 2014 by meena.p

1 answer

Which of the following is least reactive in a nucleophilic substitution reaction ?

asked Mar 3, 2014 by meena.p

1 answer

$CH_3Br +Nu^{-} \longrightarrow CH_3 -Nu +Br^{-} $ The decreasing order of the rate of the above reaction with nucleophiles $(NU)$ A to D is $[Nu^{-}=\quad (A)\; Pho^{-},\;(B)\;AcO^- ,\; (C)\; HO^{-},\; (D)\;CH_3O^{-}]$

asked Mar 3, 2014 by meena.p

1 answer

Which of the following compounds does not show lassaigne's test for nitrogen ?

asked Mar 3, 2014 by meena.p

2 answers

The enolic form of acetone contains

asked Mar 3, 2014 by meena.p

1 answer

For which of the following parameters the structural isomers $C_2H_5OH$ and $CH_3OCH_3$ would be expected to have the same values ? (Assume ideal behaviour )

asked Mar 3, 2014 by meena.p

1 answer

Show that the ratio of the first $n$ terms of a G.P. to the sum of the terms from $(n+1)^{th}$ to $(2n)^{th}$ term is $1:r^n$

asked Mar 2, 2014 by rvidyagovindarajan_1

1 answer

If the first and $n^{th}$ term of a G.P. are $a$ and $b$ respectively and if $P$ is the product of the $n$ terms then prove that $P^2=(ab)^n$

asked Mar 2, 2014 by rvidyagovindarajan_1

1 answer

If the absolute temperature of a sample in a fixed volume container is quadrupled then the root mean square speed in the initial state $u_i$ and that in the final stage $u_f$ would be related as:

asked Mar 2, 2014 by sharmaaparna1

1 answer

The rms velocity can be calculated by

asked Mar 2, 2014 by sharmaaparna1

1 answer

At room temperature , the rms speed of molecules of a certain diatomic gas is formed to be 1930 m/Sec . The gas is

asked Mar 2, 2014 by sharmaaparna1

1 answer

Four particles have speed 2,3,4 and 5 cm/sec respectively. Their RMS speed is

asked Mar 2, 2014 by sharmaaparna1

1 answer

Average velocity of the molecules of a gas in a container moving in one dimension is

asked Mar 2, 2014 by sharmaaparna1

1 answer

If P is the pressure of gas, then the kinetic energy per unit volume of the gas is

asked Mar 2, 2014 by sharmaaparna1

1 answer

Densities of air in chandigarh was found to be $1.156kgm^{-3}$. The temperature and pressure were recorded as $20^{\large\circ}C$ and $100.142\; KPa$. The average molecular mass of the air at that place in $g \;mol^{-1}$ is

asked Mar 2, 2014 by sharmaaparna1

1 answer

If the $p^{th},q^{th}\:\:and\:\:r^{th}$ terms of G.P.are $a,b\:\:and\:\:c$ respectively then prove that $a^{q-r}.b^{r-p}.c^{p-q}=1$

asked Mar 1, 2014 by rvidyagovindarajan_1

1 answer

Find the four numbers forming a G.P. in which the $3^{rd}$ term is greater than the $1^{st}$ term by $9$ and the $2^{nd}$ term is greater than the $4^{th}$ term by $18$.

asked Mar 1, 2014 by rvidyagovindarajan_1

1 answer

Show that the product of the corresponding terms of the sequences $a,ar,ar^2.........ar^n$ and $A,AR,AR^2.............AR^{n-1}$ form a G.P. and find the common ratio.

asked Mar 1, 2014 by rvidyagovindarajan_1

1 answer

Page:

« prev
1
...
164
165
166
167
168
169
170
...
238
next »

Feedback Terms Facebook Twitter About Us

Your payment for is successful.

...