std 7 sanskrut ch 3 sem 2

Pusa Sem 2 is a disease resistant crop variety of

Define the term fatty acids. Give the common and IUPAC names for the following fatty acids: (i) CH_(3) (CH_(2))_(14) COOH (ii) CH_(3) (CH_(2))_(16) COOH (ii) CH_(3) (CH_(2))_(7) CH=CH(CH_(2))_(7) COOH

Structures and IUPAC names of some hydrocarbons are given below. Explain why the names given in the parentheses are incorrect. underset(["and not 3,4,7-Trimethyloctane"])underset(2,5,6- "Trimethyloctane")(CH_(3)-underset(CH_(3))underset(|)(CH)-CH_(2)-CH_(2)-underset(CH_(3))underset(|)(CH)-underset(CH_(3))underset(|)(CH)-CH_(2)-CH_(3)) underset(["and not 5-Ethyl-3-methylheptane"])underset("3-Ethyl-5-methylheptane")(CH_(3)-CH_(2)-underset(CH_(2)CH_(3))underset(|)(CH)-CH_(2)-underset(CH_(3))underset(|)(CH)-CH_(2)-CH_(3))

LetR be the relation on the seM = {1, 2, 3, 4} given by R = {(1,2), (2,2), (1,1), (4,4), (1,3), (3, 3), (3,2)}. Then

Consider the following organic compound overset(1)CH_(3)overset(2)CH_(2)overset(3)CH_(2)overset(4)CH_(2)overset(5)CH_(2)overset(6)CH_(2)overset(7)CH_(3) To make it a chiral compound, the attack should be on carbon

The type of isomerism due to different types on alkyl groups on either side of the functional group of compounds CH_3CH_2COCH_2CH_3 and CH_3COC_3C_7 is referred as

For the following two acid-base reactions, which statement is true ? (I) CH_(3)CH_(2)^(-) + CH_(3)NH_(2)rArr CH_(3)CH_(3)+CH_(3)NH^(-) (II) F^(-)+ underset(pK_(a)15.7)H_(2)OrArr underset(pK_(a)=3.52)HF+HO^(-)

Which of the following are chain isomers? (A) \(CH_{3}CH_{2}CH_{3}\) and \(CH_{3}CH_{2}CH_{2}CH_{3}\), (B) \(CH_{3}CHCl_{2}\)and \(CH_{2}ClCH_{2}Cl\) (C) \(CH_{3}CH_{2}CH_{2}OH\) and \(CH_{3}CH_{2}OH\) (D) \(CH_{3}CH_{2}CH_{2}CH_{3}\) and \((CH_{3})_{2}CHCH_{3}\)