JEE Main 2019 (Online) 9th April Evening Slot | d and f Block Elements Question 56 | Chemistry

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JEE Main 2019 (Online) 9th April Evening Slot

MCQ (Single Correct Answer)

-1

The maximum number of possible oxidation states of actinoides are shown by

nobelium (No) and lawrencium (Lr)

actinium (Ac) and thorium (Th)

neptunium (Np) and plutonium (Pu)

berkelium (Bk) and californium (Cf)

JEE Main 2019 (Online) 8th April Evening Slot

MCQ (Single Correct Answer)

-1

The statement that is INCORRECT about the interstitial compounds is :

They are chemically reactive

They have metallic conductivity

They have high melting points

They are very hard

JEE Main 2019 (Online) 12th January Evening Slot

MCQ (Single Correct Answer)

-1

Chlorine on reaction with hot and concentrated sodium hydroxide give -

C$$\ell $$O$$_3^ - $$ and C$$\ell $$O$$_2^ - $$

C$$\ell $$^$$-$$ and C$$\ell $$O^$$-$$

C$$\ell $$^$$-$$ and C$$\ell $$O$$_2^ - $$

C$$\ell $$^$$-$$ and C$$\ell $$O$$_3^ - $$

JEE Main 2019 (Online) 11th January Evening Slot

MCQ (Single Correct Answer)

-1

The hydride that is NOT electron deficient

B₂H₆

AlH₃

GaH₃

SiH₄

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