IIT-JEE 2009 Paper 2 Offline | p-Block Elements Question 49 | Chemistry

IIT-JEE 2009 Paper 2 Offline

MCQ (More than One Correct Answer)

-2

The nitrogen oxide(s) that contain(s) N-N bond(s) is(are)

N$$_2$$O

N$$_2$$O$$_3$$

N$$_2$$O$$_4$$

N$$_2$$O$$_5$$

IIT-JEE 2008 Paper 1 Offline

MCQ (More than One Correct Answer)

-2

A solution of colourless salt H on boiling with excess NaOH produces a non-flammable gas. The gas evolution ceases after sometime. Upon addition of Zn dust to the same solution, the gas evolution restarts. The colourless salt(s) H is(are):

NH$$_4$$NO$$_3$$

NH$$_4$$NO$$_2$$

NH$$_4$$Cl

(NH$$_4$$)$$_2$$SO$$_4$$

IIT-JEE 2006

MCQ (More than One Correct Answer)

-1.25

The species present in solution when CO₂ is dissolved in water are

CO₂, H₂CO₃, $$HCO_3^-$$, $$CO_3^{2-}$$

$$H_2CO_3$$, $$CO_3^{2-}$$

$$CO_3^{2-}$$, $$HCO_3^-$$

CO₂, H₂CO₃

JEE Advanced Subjects