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Statement 1: H2Te is more acidic than H2S.

Statement 2:H2Te has more BDE than H2S.

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Important Questions on Elements of Groups 16, 17 and 18

EASY
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
Which one of the following is used to remove most of plutonium from spent nuclear fuel?
EASY
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?

MEDIUM
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
Identify the incorrect statements among the following?
(i) SF6 does not react with water
(ii) SF6 is sp3d hybridized
(iii) S2O32- is a linear ion
(iv) There is no π-bonding in SO42- ion
MEDIUM
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
Which of the hydrides of group 16 elements is least reducing?
MEDIUM
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
Which of the following statements are correct for hydrides of 16th group elements?
I) Boiling point is highest for water and lowest for hydrogen sulphide
II) Bond dissociation enthalpy is highest for water and lowest for hydrogen sulphide
III Reducing property increases from H2 S to H2Te
IV)ΔfH (Enthalpy of formation) is more negative for H2O and more positive for H2Te
EASY
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
Which among the following hydrides is not a reducing agent?
EASY
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
The correct order of acidic character of the following is:
HARD
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
The correct order of melting points of hydrides of group 16 elements is
MEDIUM
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
Arrange H2O,H2 S and H2Se in order of increasing acidity.
EASY
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
The product obtained from the electrolytic oxidation of acidified sulphate solutions, is :
HARD
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
The common oxidation states of selenium are
EASY
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
Which is the correct thermal stability order for H2EE=O, S, Se, Te and Po?
HARD
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
The metal which DOES NOT directly react with oxygen is
EASY
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
Assertion A : SF6 is highly stable
Reason (R) : SF6 is a gas
The correct option among the following is
HARD
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
Which of these is a mixed oxide?
EASY
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

The main products P and Q of the following unbalanced disproportionation reaction are

Se2Cl2→P+Q

MEDIUM
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

Given below are two statements:

Statement I: The boiling points of the following hydrides of group 16 elements increases in the order - H2O<H2S<H2Se<H2Te.

Statement II: The boiling points of these hydrides increase with increase in molar mass.

In the light of the above statements, choose the most appropriate answer from the options given below:

MEDIUM
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
What is the main product formed when iodine reacts with hypo ?
EASY
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
Acidity of diprotic acids in aqueous solutions increases in the order:
EASY
Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements
The shape of SCl4 is best described as a