Timed Challenge - Answer & Submit | GK Mania

1 What is the SI unit of luminous intensity?

A) Candela

B) Lumen

C) Lux

D) Watt

2 What is the Williamson synthesis used for?

A) Amine synthesis

B) Ester synthesis

C) Acid synthesis

D) Ether synthesis (R-O-R')

3 What is the ratio of orbital velocity to escape velocity?

A) 1:√2

B) 2:1

C) √2:1

D) 1:2

4 What is the hybridization of Fe in [Fe(CN)₆]⁴⁻?

A) sp³

B) d²sp³

C) sp³d²

D) dsp²

5 What is the condition for constructive interference?

A) Amplitude = 0

B) Path difference = nλ

C) Path difference = (n+½)λ

D) Phase difference = π

6 What is syncopation?

A) Playing very slow

B) Repeating notes

C) Playing very fast

D) Emphasis on weak beats

7 What is the wavelength of a 1 GHz electromagnetic wave?

A) 3 m

B) 30 cm

C) 300 cm

D) 3 cm

8 What is the rate law for a zero-order reaction?

A) rate = k

B) rate = k[A][B]

C) rate = k[A]

D) rate = k[A]²

9 What is the product of Birch reduction of benzene?

A) Cyclohexene

B) Benzaldehyde

C) 1,4-cyclohexadiene

D) Cyclohexane

10 What is the hybridization of P in PCl₅?

A) sp³d

B) sp²

C) sp³d²

D) sp³

Quiz

1 What is the SI unit of luminous intensity?

2 What is the Williamson synthesis used for?

3 What is the ratio of orbital velocity to escape velocity?

4 What is the hybridization of Fe in [Fe(CN)₆]⁴⁻?

5 What is the condition for constructive interference?

6 What is syncopation?

7 What is the wavelength of a 1 GHz electromagnetic wave?

8 What is the rate law for a zero-order reaction?

9 What is the product of Birch reduction of benzene?

10 What is the hybridization of P in PCl₅?

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Quiz

1 What is the SI unit of luminous intensity?

2 What is the Williamson synthesis used for?

3 What is the ratio of orbital velocity to escape velocity?

4 What is the hybridization of Fe in [Fe(CN)₆]⁴⁻?

5 What is the condition for constructive interference?

6 What is syncopation?

7 What is the wavelength of a 1 GHz electromagnetic wave?

8 What is the rate law for a zero-order reaction?

9 What is the product of Birch reduction of benzene?

10 What is the hybridization of P in PCl₅?

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Quiz Results