12th Standard Syllabus & Materials
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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
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Published on: 13/05/2022
QB365 provides detailed and simple solution for every Book back Questions in class 12 Chemistry Subject. It will helps to get more idea about question pattern in every book back questions with solution.
latest Book back QuestionsDownload Tamil Nadu 12th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Chemistry Test1.
Among the following ethers which one will produce methyl alcohol on treatment with hot HI?
(H3C)3C-O-CH3
(CH3-)2-CH-CH2-O-CH3
CH3-(CH2)3-O-CH3
CH3-CH2-\(\underset { \overset { | }{ { CH }_{ 3 } } }{ CH } \)-O-CH3
2.
One mole of an organic compound (A) with the formula C3H8O reacts completely with two moles of HI to form X and Y. When Y is boiled with aqueous alkali it forms Z. Z answers the iodoform test. The compound (A) is ______.
propan – 2-ol
propan -1-ol
ethoxy ethane
methoxy ehane
3.
The reactions
is an example of ______.
Wurtz reaction
cyclic reaction
Williamson reaction
Kolbe reactions
4.
Which of the following compound can be used as antifreeze in automobile rediators?
methanol
ethanol
Neopentyl alcohol
ethan -1, 2-diol
5.
HO CH2 CH2 – OH on heating with periodic acid gives ______.
methanoic acid
Glyoxal
methanol
CO2
1.
2.
3.
(c)
Williamson reaction
4.
(d)
ethan -1, 2-diol
5.
(c)
methanol
12th Standard Syllabus & Materials
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