19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The volume strength of 1.5 N H2O2 solution is (AIPMT 1997)
Which of the following groups of ions makes the water hard? (AIPMT 1994)
The O – O – H bond angle in H2O2(g) is about (AIPMT 1994)
One would expect proton to have very large (AIPMT 1993)
Water gas is produced by (AIPMT 1992)
At its melting point, ice is lighter than water because (AIPMT 1992)
Hydrogen peroxide molecules are (AIPMT 1991)
The ionization of hydrogen atom would give rise to (AIPMT 1990)
Which of the following metals evolves hydrogen on reacting with cold dilute HNO3? (AIPMT 1989)
When CO2 is bubbled through a solution of barium peroxide in water
In complex hydrides, hydride ions act as ligand and are coordinated to metal ions. These hydrides are good reducing agents. Which of the following hydrides is not complex hydride ?
From group 6 only one metal forms hydride. This metal is
What is the trend of boiling points of hydrides of N, O and F?
Dihydrogen forms three types of hydrides. (i) hydrides are formed by alkali metals and alkaline earth metals. (ii) hydrides are formed by non-metals and (iii) hydrides are formed by d and f-block elements at elevated …
On moving from left to right in a period what is the order of acidic character of hydrides?
Non-stoichiometric hydrides are produced by
Given below are the elements and the type of hydrides formed by them. Mark the incorrect match.
Which of the following statements regarding hydrides is not correct?
Carbon hydride of the type, CnH2n+2 do not act as Lewis acid or Lewis base. They behave as normal covalent hydrides because
Which of the following hydrides is electron deficient?
Which of the following metals directly combine with hydrogen gas to give a hydride?
Metallic hydrides are
Ionic hydrides react with water to give
On reaction with water, which of the following does not produce any hydride? (a) CaH (b) Be C (c) Mg N (d) Ca P
Metal hydrides may be ionic, covalent or molecular in nature. Among LiH,NaH,KH,RbH,CsH the correct order of increasing ionic character is