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📚NCERT Questions — CBSE12

275 solved questions with detailed explanations

Exams

All ExamsCBSE11(591)CBSE10(499)CBSE12(275)NCERT11(210)NCERT10(100)
111

What type of glycosidic linkage connects the two α-D-glucose units in maltose?

CBSE12
112

Heating alcohols with sodium or potassium iodide in 95% orthophosphoric acid is a good method for preparing:

CBSE12
113

Deficiency of Vitamin B1 (Thiamine) leads to which disease?

CBSE12
114

What is the IUPAC name for CH₃CH₂CH₂OH?

CBSE12
115

Hormones are molecules that act as:

CBSE12
116

An alcohol where the -OH group is attached to an sp² hybridised carbon atom is known as a:

CBSE12
117

Ketones are reduced to which type of alcohol?

CBSE12
118

What type of alcohol is formed when an aldehyde is reduced?

CBSE12
119

Why is the C-Cl bond length in haloarenes (169 pm) shorter than in haloalkanes (177 pm), contributing to their lower reactivity in nucleophilic substitution?

CBSE12
120

What is the product when benzenediazonium chloride reacts with phenol in a coupling reaction?

CBSE12
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