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Standard X
Chemistry
Question

Assertion :Due to catenation property, carbon leads to formation of straight chain, branch chain and cyclic compounds. Reason: It is a self-linking property which is found in carbon, by which it can combine with unlimited carbon atoms and can make different types of chain or ring structures.
  1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
  2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
  3. Assertion is correct but Reason is incorrect
  4. Both Assertion and Reason are incorrect

A
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
B
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Both Assertion and Reason are incorrect
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Solution
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Answer:
Catenation is a self-linking property which is found in carbon, by which it can combine with unlimited carbon atoms and can make different types of chain or ring structures. And due to catenation property, carbon leads to formation of straight chain, branch chain and cyclic compounds. Hence option A is correct

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Similar Questions
Q1
Assertion :Due to catenation property, carbon leads to formation of straight chain, branch chain and cyclic compounds. Reason: It is a self-linking property which is found in carbon, by which it can combine with unlimited carbon atoms and can make different types of chain or ring structures.
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Q2

Assertion (A) All collision of reactant molecules lead to product formation.

Reason (R) Only those collisions in which molecules have correct orientation and sufficient kinetic energy lead to compound formation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

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Q3

Assertion (A) Phenol forms 2, 4, 6-tribromophenol on treatment with Br2 in carbon disulphide at 273K.
Reason (R) Bromine polarises in carbon disulphide.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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Q4

ASSERTION: n-Pentane and n-Hexane belong to a homologous series.

REASON: n-Pentane and n-Hexane belong to the same class of hydrocarbons and they differ by a - CH2 - group.


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Q5

Assertion – The non-fusible impurities present in iron ore are removed by CaCO3 .

Reason: CaCO3 which decomposes into CaO and CO2. The CaO formed reacts with SiO2 to remove silica


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