Newland Law of Octaves

Q.

The Law of Octaves was applicable only upto element ________.

1. Sodium

2. Copper

3. Calcium

4. Zinc

Q. Which of these pairs will have similar properties on the basis of law of octaves?

1. Beryllium and magnesium
2. Lithium and phosphorus
3. Carbon and silicon
4. Fluorine and chlorine

Q. Elements A and B are following Newland's law of octaves. The number of elements lying between A and B is ‘x’. The atomic mass of A is ‘y’ and the atomic mass of B is thrice the atomic mass of A. If 2x + 3y = 60 then find the atomic mass of A and B.

1. A = 16; B = 48
2. A = 30; B = 90
3. A = 15; B = 45
   
4. A = 6; B = 56

Q. Newlands' proposed that every element has similar properties to the first one.

1. third
2. eighth
3. seventh

Q. Newlands' proposed that every element has similar properties to the first one.

1. third
2. eighth
3. seventh

Q. Newlands' proposed that every element has similar properties to the first one.

1. seventh
2. eighth
3. third

Q.

Based on Newlands’ law of octaves, identify the set of elements that possess similar properties.

1. Li, Na
2. Be, Mg
3. B, Al
4. C, Al

Q. According to Newlands’ law of octaves, the properties of lithium and sodium were found to be same.

1. False
2. True

Q. Newland's law of octaves was similar to which of the following?

1. Colours of the rainbow
2. Notes of music
3. Planets in the solar system
   
4. Days of a week

Q.

What do you mean by Newland's law of octave?

Q. The law of octaves was proposed by:

1. Dmitri Ivanovich Mendeleev
2. Henry Moseley
3. Johann Wolfgang Döbereiner
4. John Alexander Newlands

Q. Newlands' proposed that every element has similar properties to the first one.

1. eighth
2. seventh
3. third

Q.

What are the drawbacks of Newland’s law of octaves?

(A) The law of octaves was found to be applicable for elements with higher atomic masses.

(B) The position of hydrogen was not justifiable.

(C) Some unlike elements were placed in the same group.

1. A, B, C
2. A, B
3. A only
4. C only

Q.

State two achievements of law of octaves.

Q. Newland's law of octaves can be applied to the set of elements consisting of:

1. Beryllium, magnesium, calcium
2. Boron, nitrogen, carbon
3. Hydrogen, silicon, aluminium
4. Sodium, potassium, calcium

Q. What are the drawbacks of Newland’s law of octaves?

1. Some elements were placed in same slot.
2. His law was only applicable for elements till calcium.
3. He did not justify the position of hydrogen.
4. Some similar elements were placed farther apart.

Q.

Upto which element, the law of octaves was found to be applicable?

1. Oxygen

2. Calcium

3. Cobalt

4. Potassium