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Practice Test - Chemistry 19

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Question 1

In Cannizzaro reaction given below
2Ph CHO

The slowest step is:

Question 2

Which type of linkage is present in starch ?

Question 3

The arsenious sulphide sol has negative charge. The maximum coagulating power for precipitating is of:

Question 4

Statement -1: AlCl₃ forms dimer Al₂Cl₆ but it dissolves in water forming [Al(H₂O)₆]³⁺ and Cl^– ions.
because
Statement -2: Aqueous solution of AlCl₃ is acidic due to hydrolysis.

Question 5

Which of the following group of transition metals is called coinage metals?

Question 6

Amongst TiF₆²⁺, CoF₆^3–, Cu₂Cl₂ and NiCl₄^2– (At. Nos. Ti = 22, Co = 27, Cu = 29, Ni = 28) the colourless species are

Question 7

Alkyl halides react with dialkyl copper reagents to give

Question 8

The IUPAC name of this compound is

Question 9

Buna-N synthetic rubber is a copolymer of:

Question 10

Orlon has a unit

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Sep 20JEE & BITSAT