Question

A-ONE Guess Paper
CH
259. The IUPAC name for CH,CHOHCH, -C-OH is
CH
(a) 2-methyl-2, 4-pentanediol
(b) 1,1-dimethyl-1,3-butanediol
(c) 1, 3, 3-trimethyl-1, 3-propanediol
(d) 4-methyl-2, 4-pentanediol
tive​

Answer 1

Answer:

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Explanation:

Answer

In△PQS

Bypythagorastheorem,

PS2+SQ2=PQ2

⟹PS2=PQ2−SQ2

⟹PS2=102−62

⟹PS2=100−36=64

⟹PS=8

In△PSR

⟹PS2+RS2=PR2(pythagoras)

⟹PR2=PS2+RS2

⟹PR2=64+(RQ+QS)2=64+152

⟹PR2=64+225

⟹PR2=289

⟹PR=17