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Model Paper 4 — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryModel Paper 41 Mark
MCQ
Assertion (A): A certain element X, forms three binary compounds with chlorine-containing 59.68 %, 68.95 % and 74.75 % chlorine respectively. These data illustrate the law of multiple proportions.
Reason (R): According to law of multiple proportions, the relative amounts of an element combining with some fixed amount of a second element in a series of compounds are the ratios of small whole numbers.
  • ✓
    Both A and R are true and R is the correct explanation of A
  • B
    Both A and R are true hut R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
✓

Answer

Correct option: A.
Both A and R are true and R is the correct explanation of A
(a) Both A and R are true and R is the correct explanation of A .
Explanation: Both A and R are true and R is the correct explanation of A .

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