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NEET Chemistry MCQ
Compounds Containing Nitrogen Mcq Neet Chemistry
Quiz 7
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Q.1
A compound with molar mass 180 is acylated with CH3COCl to get a compound with molar massThe number of amino groups present per molecule of the former compound is ... [ JEE 2013]
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a) 4
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b) 6
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c) 2
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d) 5
Explanation
When one -NH2 react with -CH3COCl replaces one hydrogen of NH2 anad form -NHCOCH3 Thus for one -NH2 shows an increase of molar mass by 42 Now increase in molar mass by 390-180 = 210 thus 5 units of NH2 Answer : (d)
Q.2
on Q184) In the reaction the structure of product T is
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a)
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b)
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c)
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d)
Explanation
Answer : (c)
Q.3
on Q185) In the following reaction the product A is
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a) Phenyl isocyanide
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b) chlorobenzene
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c) Ethylene chloride
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d) Phenyl cyanide
Explanation
Answer : (a)
Q.4
Which of the following statements is/are correct ?
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a) Aniline is a weaker base than ethylamine
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b) Aniline is a strong base than p-methoxyaniline
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c) Aniline must be acetylated before nitration with an acid mixture
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d) Aniline is soluble in an ammonium hydroxide solution
Explanation
Answer : (a,c)
Q.5
on Q187) The major product of the following reaction is ... ... [ IIT 2011]
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a)
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b)
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c)
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d)
Explanation
The replacement of Cl is due to the formation od stable benzyl carbocation. Alternatively Cl is present in side chain and thus replaced whereas Br is attached in benzene nucleus Answer : (a)
Q.6
Assertion: Anilinium chloride is more acidic than ammonium chloride Reason: Anilinium ion is rresonance stabilized
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a) both the assertion and reason are true and reason explains the assertion
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b) both the assertion and reason are true but reason does not explain the assertion.
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c) assertion is true but reason is false
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d) assertion is false but reason is true.
Explanation
Anilinium ion is not stabilized due to resonance Answer : (c)
0 h : 0 m : 1 s
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