Which of the following does not give nitroalkane?
CH3-N(CH3)-CH3
C2H5I
CH3 - CH3
Both (a) and (b)
A compound containing two -OH groups attached with one carbon atom is unstable but which one of the following is stable?
CH3CH(OH)2
CH3-C(OH)3
Cl3CCH(OH)2
None of these
C.
Cl3CCH(OH)2
Chloral hydrate is stable due to hydrogen bonding.
Which of the following is true for an ideal solution?
H(mix) = 0
S(mix) = 0
G(mix) = 0
None of these
Boiling point of benzene is 353.23 K. When 1.8 g of non-volatile solute is dissolved in 90 g of benzene. Then boiling point is raised to 354.11 K. Given Kb (benzene) = 2.5 kg mol-1. The molecular mass of non-volatile substance is
58 g mol-1
120 g mol-1
116 g mol-1
60 g mol-1
Non-stick cookwares generally have a coating of a polymer, whose monomer is
CH2 = CH2
CH2 = CHCN
CH2 = CHCl
CF2 = CF2
Assertion : Acetamide on reaction with KOH and bromine gives acetic acid.
Reason : Bromine catalyses hydrolysis of acetamide.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Assertion : Mixture of benzaldehyde and acetaldehyde in hot allkaline medium gives cinnamaldehyde.
Reason : Benzaldehyde is strong electrophile than acetaldehyde.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Assertion : Aryl sulphunic acid gives phenol or reacting with NaOH at high temperature.
Reason : This reaction is electrophilic substitution reaction.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Assertion : All enzymes are made up of proteins and all proteins have three dimensional structures.
Reason : Secondary structures of protein are sequence of amino acids.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.