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Q.

The recommended daily dose is 17.6 milligrams of vitamin C(ascorbic acid) having formula C6H8O6.   (M.wt of C6H8O6=176)   
Match the following. Given :  NA=6x1023

 COLUMN-I COLUMN-II
IO-atoms present in 17.6 mg of vitamin CP10-4 mole
II Moles of vitamin C in 1 g of Vitamin CQ5.68×103
III Moles of vitamin C should be consumed dailyR3.6×1020
IVH-atoms present in 17.6 mg of vitamin CS1.2 ×1020
  T4.8×1020

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a

I-R, II-Q, III-S, IV-P

b

I-R, II-Q, III-P, IV-T

c

I-P, II-R, III-Q, IV-T

d

I-R, II-P, III-S, IV-Q

answer is D.

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Detailed Solution

I)  176 g of vitamin C has 6 x NA of O atoms 
    17.6 x 10-3 g of vitamin has = 6xNA176  x 17.6 x 10-3 = 3.6 x 1020
II) n=1176=  5 .68 x 10-3
III)  WM=17.6x103176=104
IV) No. of H- atoms = 17.6x103176  x 6 x1023 x 8
        = 4.8 x 1020

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The recommended daily dose is 17.6 milligrams of vitamin C(ascorbic acid) having formula C6H8O6.   (M.wt of C6H8O6=176)   Match the following. Given :  NA=6x1023 COLUMN-I COLUMN-IIIO-atoms present in 17.6 mg of vitamin CP10-4 moleII Moles of vitamin C in 1 g of Vitamin CQ5.68×10−3III Moles of vitamin C should be consumed dailyR3.6×1020IVH-atoms present in 17.6 mg of vitamin CS1.2 ×1020  T4.8×1020