Hydro Carbons Quiz-11
Dear Readers,
The one subject in NEET which is candidates who can easily attain good marks is Chemistry. That's the reason, often, one doesn’t pay notice and choose to compromise it. But if one wants to rank above others, the tip is to be thorough with NEET chemistry concepts. The understanding of reactions and definite basic understanding is what requires major attention in Chemistry but once done it only gets simpler from there. The main focus on the to-do list should be on getting a hang of the NCERT syllabus of NEET chemistry.
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Q1. When CH3CH2CHCI2 is treated with NaNH2 the product formed is:
- CH3CH=CH2
- CH3—C≡CH
-
-
Solution
(b)
(b)
Q2.Which of the following liberates methane on treatment with water?
Solution
(c).Beryllium carbide gives CH4, magnesium carbide (MgC2) and calcium carbide (CaC2) give acetylene while silicon carbide being covalent does not undergo hydrolysis
(c).Beryllium carbide gives CH4, magnesium carbide (MgC2) and calcium carbide (CaC2) give acetylene while silicon carbide being covalent does not undergo hydrolysis
Q3. To avoid lead pollution, a new anti-knock compound is used. It is:
-
- Cyclopentadienyl manganese carbonyl
- AK-33-X
- All of the above
Solution
(d). It is a new anti-knocking agent used in place of tetraethyl lead to control lead pollution by gasoline in developed countries
(d). It is a new anti-knocking agent used in place of tetraethyl lead to control lead pollution by gasoline in developed countries
Q4. The IUPAC name of CH2=CH—CH2—group is:
Solution
(c) Trivial name is allyl.
(c) Trivial name is allyl.
Q5. The monosodium salt of acetylene on treating with dry CO2 forms:
Solution
(b) CH≡C.Na+CO2⟶CH≡C.COONa
(b) CH≡C.Na+CO2⟶CH≡C.COONa
Q6. The main constituent of light oil fraction is:
Solution
(a) C6H6 is main product of light oil fraction.
(a) C6H6 is main product of light oil fraction.
Q7. 
Solution
(a).
(a).
Q8. The compound (i) decolourises KMnO4 (ii) forms ozonide with ozone and (iii) undergoes polymerization. It will be:
Solution
(c) These are characteristics of C2H4.
(c) These are characteristics of C2H4.
Q9. Dehydration of 2-butanol yield
Solution
(d)
(d)
Q10. Thermal decomposition of 
gives:
gives:
Solution
(a). The formation of the alkene in an elimination reaction is called Hofmann elimination (Thermal decomposition). Elimination of hydrogen occurs from the β-carbon. So,
(a). The formation of the alkene in an elimination reaction is called Hofmann elimination (Thermal decomposition). Elimination of hydrogen occurs from the β-carbon. So,
