Give the chemical reaction between acetyl chloride and dimethyl cadmium.
Acetyl chloride, when treated with dimethyl cadmium, gives acetone. Dimethyl cadmium acts as an alkylating reagent that provides a methyl group,... View Article
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What is the association between the electrons and the stationary orbits?
Electrons move in stationary orbits, each of which is associated with a certain amount of energy. Properties of Electrons under... View Article
Hormone that triggers puberty in female is known as?
Estrogen is the hormone that triggers puberty in female Estrogen Estrogens (also called Oestrogens) are steroid compounds that are important... View Article
What is cultured pearls? What are the different types of cultured pearls?
Pearls are formed inside the oysters. Cultured pearls and their types A cultured pearl is a genuine pearl, produced by... View Article
Convert the following temperatures to the Celsius scale. (a) 293 K (b) 470 K.
We know the relationship: Temperature in Kelvin = Temperature in °C + 273 Substitute the given value in the equation... View Article
How many σ-bonds and π bonds are present in the given compound? CH3−CH2−CH=CH−C≡ CH
The number of sigma bonds =13 and pi bonds = 3 What are sigma and pi bonds? Sigma and pi... View Article
Which type of isomerism does this complex [Co(en)3]3+ exhibit?
The complex [Co(en)3]3+ exhibits a type of optical isomerism. Optical Isomerism Isomers have the same molecular formula, but have a different... View Article
Skin cells are continuously replaced by the process of _______
The process of Mitosis continuously replaces skin cells. Mitosis happens for growth, repair and replacement. Skin cells being replaced would... View Article
What happens to the entropy of the system when the temperature increases?
On increasing the temperature, the system’s entropy increases because the increase in temperature increases the kinetic energy of molecules and... View Article
Give an example of inorganic compound which can absorb moisture from air.
Caustic soda absorbs moisture when exposed to air and hence shows an increased weight. Caustic soda Caustic soda ( sodium... View Article
Explain the importance of fossils in deciding evolutionary relationships.
Fossils are preserved remains of living organisms from the remote past. Fossil mainly preserves only a portion of the dead organism (e.g., skeleton,... View Article
What is the distance up to which mesosphere extends in the altitude zone?
50 km to 80 km The mesosphere The mesosphere is a layer of Earth’s atmosphere. Temperature decreases with height throughout... View Article
How are involuntary actions and reflex actions different from each other?
Voluntary action is under the control of ones will, whereas reflex action are spontaneous involuntary Involuntary actions Involuntary actions are actions that are not... View Article
The distinction between atoms and molecules was made by _______
Avogadro’s law made a distinction between atoms and molecules. Avogadro’s law Avogadro’s Law (sometimes referred to as Avogadro’s hypothesis or... View Article
Write all the numbers less than 100 which are common multiples of 3 and 4
Answer: Multiple of 3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45,... View Article
Where can we find a bond with maximum covalent character is found between?
The bond formed between identical atoms is non-polar, and it has maximum covalent character. Explanation: A covalent bond consists of... View Article
What would be the advantages of exploiting resources with short-term aims?
Answer: Overconsumption of resources with short-term aims in mind will provide a boost to the economy. However, the extended growth... View Article
How does the electronegativity of p-block elements change across a period?
The electronegativity of p-block elements across a period increases. On the periodic table, electronegativity generally increases as you move from left to right... View Article
How would you confirm that a colourless liquid given to you is pure water?
Answer: We can confirm if a colourless liquid is pure by setting it to boil. If it boils at 100°C... View Article
How are the wavelength and frequency of a sound wave related to its speed?
The relationship between the speed of sound, its frequency, and wavelength is the same as for all waves: Speed (v)... View Article
