question_answer1) In
cracking, C-C bonds cleave in preference to C-H bonds. Explain.
question_answer8) Alkynes
do not undergo ozonolysis like alkenes. Why?
question_answer13) Out
of but-1-yne and but-1-ene, which has more dipole moment?
question_answer15) Why
does not aniline take part in the Friedel Craft reaction?
question_answer16) Unsaturated
compounds undergo addition reactions. Explain.
question_answer17) But-1-yne
is weakly acidic but but-2-yne is not. Assign reason.
question_answer20) What effect the branching of an
alkane has on its melting point?
question_answer22) What are the main constituents
of LPG?
question_answer23) Why do the C?C bonds rather than
C?H bonds break during cracking of alkanes?
question_answer25) trans-Pent-2-ene is polar while
trans- but-2-ene is non-polar. Explain.
question_answer26) Identify the organic products
obtained in the following reaction:
question_answer28) How will you prepare
3-methylbut-1-yne by starting with ethyne?
question_answer29) Why HF forms H-bonding with ethyne
even though it is non-polar in nature?
question_answer32) Starting with ethyne, how will
you prepare pentan-2-one?
question_answer33) How will you separate a mixture
of ethane, ethylene and acetylene?
question_answer37) Write the ozonolysis products of
mesitylene.
question_answer38) Predict the products of the
following reactions
(i)
(ii)
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(ii)
(iii) 
(iv) 
(b)\[C{{H}_{3}}-C\equiv
C-C{{H}_{3}}\xrightarrow{\text{Na/liq}\,\text{N}{{\text{H}}_{\text{3}}}}\] 