Question 1 of 10

Propyne is treated with sodamide and the product is treated with methyl iodide to get

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Question 2 of 10

If α, β, γ are the angles made by a straight line with the coordinate axes, then sin2α+sin2β+sin2γ is

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Question 3 of 10

If vectors a, b, c are non zero, non coplanar vectors, then (c x a) x (a x b) is

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Question 4 of 10

Two finite sets have m and n elements respectively. The total number of subsets of first set is 56 more than the total number of subsets of the second set. The values of m and n respectively are

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Question 5 of 10

Which of the following on thermal decomposition yields a basic as well as an acidic oxide?

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Question 6 of 10

If vector a = i + 2j + 3k and b = i × (a×i) + j×(a×j) + k×(a×k) then length of b is equal to

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Question 7 of 10

Two finite sets have m and n elements. The number of elements in the power set of first set is 48 more than the total number of elements in the power set of the second set. Then the values of m and n are

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Question 8 of 10

Which of the following has maximum number of lone pairs associated with Xe?

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Question 9 of 10

The energy level diagrams for exothermic SN1 and SN2 reactions could be respectively (R - Reactants P - products)

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Question 10 of 10

A binary compound of elements X and Y contains 50% of X. If the atomic masses of X and Y are 10 and 20 and the molecular mass of the compound is 120, the molecular formula of the compound is

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